164136323 has 4 divisors (see below), whose sum is σ = 176762208. Its totient is φ = 151510440.

The previous prime is 164136311. The next prime is 164136337. The reversal of 164136323 is 323631461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164136323 - 2⁸ = 164136067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164136523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6312923 + ... + 6312948.

It is an arithmetic number, because the mean of its divisors is an integer number (44190552).

Almost surely, 2^164136323 is an apocalyptic number.

164136323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164136323 is a deficient number, since it is larger than the sum of its proper divisors (12625885).

164136323 is a wasteful number, since it uses less digits than its factorization.

164136323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12625884.

The product of its digits is 7776, while the sum is 29.

The square root of 164136323 is about 12811.5698881909. The cubic root of 164136323 is about 547.5219904569.

Adding to 164136323 its reverse (323631461), we get a palindrome (487767784).

The spelling of 164136323 in words is "one hundred sixty-four million, one hundred thirty-six thousand, three hundred twenty-three".